Navigation Links
Hungry microbes share out the carbon in the roots of plants
Date:10/18/2007

Sugars made by plants are rapidly used by microbes living in their roots, according to new research at the University of York, creating a short cut in the carbon cycle that is vital to life on earth.

The green leaves of plants use the energy of sunlight to make sugar by combining water with carbon dioxide from the atmosphere. This sugar fuels the plants growth, but scientists in the Universitys Department of Biology discovered that some of it goes straight to the roots to feed a surprising variety of microbes.

A study led by Professor Peter Young, of the Department of Biology at York and Dr Philippe Vandenkoornhuyse of the University of Rennes in France is published in the latest issue of the Proceedings of the National Academy of Sciences of the USA (PNAS).

In the carbon cycle, plants remove carbon dioxide (a greenhouse gas) from the atmosphere. Eventually, the carbon compounds that plants make are eaten by microbes and animals, which release carbon dioxide back into the atmosphere. The rapid cycling demonstrated by the new research is an important link in this process.

Professor Young said: Our research identifies microbes in roots that create a short cut in the carbon cycle. This is an important development given current interest in reducing outputs of carbon dioxide and the carbon trading that is intended to help this.

The researchers traced the path of the carbon by replacing the normal carbon dioxide in the air around the plants with a version made with C-13, a natural, non-radioactive form of carbon that is slightly heavier than the usual kind. Within hours, microbes in the roots were feeding on sugars laden with C-13 and using it to build their own cells.

The newly-made molecules of DNA and RNA produced by the microbes could be separated from pre-existing ones because the C13 made them heavier. DNA and RNA are large molecules that carry genetic information about the organisms that made them,
'/>"/>

Contact: David Garner
dcg501@york.ac.uk
44-019-044-32153
University of York
Source:Eurekalert

Page: 1 2

Related biology news :

1. Understanding why C. difficile causes disease -- its hungry
2. How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of fullness
3. W.M. Keck Foundation funds study of friendly microbes
4. Yellowstone microbes fueled by hydrogen, according to U. of Colorado study
5. Harnessing microbes, one by one, to build a better nanoworld
6. Leprosy microbes lead scientists to immune discovery
7. Could microbes solve Russias chemical weapons conundrum?
8. Proteomics brings researchers closer to understanding microbes that produce acid mine drainage
9. Researchers Discover That Microbes Can Produce Miniature Electrical Wires
10. Freeze-dried mats of microbes awaken in Antarctic streambed
11. Microbes under Greenland Ice may be preview of what scientists find under Mars surface
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/22/2014)... of planthopper known as Conosimus, which now includes six ... the southern part of the Iberian Peninsula in the ... in the open-access Journal of Insect Science ... Conosimus baenai , has been named after Manuel Baena, ... of Iberian Hemiptera. , Conosimus baenai differs ...
(Date:7/21/2014)... a professor of entomology and cooperating faculty ... the University of California, Riverside, has been awarded the ... of Chemical Ecology ( ISCE ). , Awarded first ... the society,s highest honor. It is awarded annually to ... the study of chemicals that mediate interactions between living ...
(Date:7/21/2014)... to monitor seals, every movement, researchers have shown for ... to offshore wind farms and pipelines. Those man-made structures ... according to a study published in the Cell Press ... , "I was shocked when I first saw the ... Shoal," an offshore wind farm in the United Kingdom, ...
Breaking Biology News(10 mins):UC Riverside entomologist receives international honor for chemical ecology contributions 2Seals forage at offshore wind farms 2
... the egg genome? Researchers have answered a similarly vexing ... of long stretches of repeated DNA in the human genome ... published online by Nature Genetics on October 7, ... the human genome that are partly responsible for both disease ...
... CITY, Utah - Mario R. Capecchi, Ph.D., distinguished professor ... Utahs Eccles Institute of Human Genetics and a Howard ... Prize in Physiology or Medicine. The announcement was ... Karolinska Institute, in Stockholm, Sweden. The prize recognizes Capecchis ...
... of Cincinnati (UC) radiologists have developed a new ... eases diagnosis of venous diseases. Multi-detector computed ... three-dimensional images of arteries, the vessels which carry ... blood throughout the body. Veins, smaller vessels that ...
Cached Biology News:Which came first, the chicken genome or the egg genome? 2Which came first, the chicken genome or the egg genome? 3Gene-targeting pioneer Mario Capecchi shares 2007 Nobel Prize in Medicine 2Gene-targeting pioneer Mario Capecchi shares 2007 Nobel Prize in Medicine 3New thoracic imaging approach can pinpoint underlying venous problems 2
(Date:7/22/2014)... 22, 2014 Hussey Copper , a ... antimicrobial copper announces Pullman Regional Hospital,s conversion of ... antimicrobial solid touch surface, at a nominal cost.  This ... E-coli and other bacteria within 2 hours of exposure 1 ... bacteria and infectious diseases in its facilities. ...
(Date:7/22/2014)... 22, 2014  United Therapeutics Corporation (NASDAQ: ... release its second quarter 2014 financial results before ... United Therapeutics will host a half-hour teleconference ... Eastern Time.  The teleconference is accessible by dialing ... of the teleconference will be available for one ...
(Date:7/22/2014)... 2014 Dr. Williams says, “Bush has ... recognized that the greatest health care system in the ... needlessly deadly while trying to serve the public. Unfortunately, ... to transform an enormous system that none of them ... his continuing series of Open Letters ( http://is.gd/wdU2CM ) ...
(Date:7/21/2014)... yield so far is small, but chemists at the ... substitution process to make a precursor to transparent thin ... energy devices. , A paper describing the approach is ... of the journal Inorganic Chemistry , which draws ... nuclear chemistry fields. The paper was chosen by the ...
Breaking Biology Technology:Pullman Regional Hospital changes more than 1,100 touch points to Hussey Copper's MD-Cu29 antimicrobial copper to help protect against bacteria 2Pullman Regional Hospital changes more than 1,100 touch points to Hussey Copper's MD-Cu29 antimicrobial copper to help protect against bacteria 3Dr. Ira Williams Asks What’s Wrong With Jonathan Bush’s Book, Where Does It Hurt? 2Oregon chemists eye improved thin films with metal substitution 2
... , ... goBalto.com introduces a new project management tool - "Projects" - to help ... management tools can be awkward and cumbersome. goBalto Projects takes on project management ... time and money. , ...
... , PHOENIX and SAN CARLOS, Calif., Oct. 10 ... data today from its Phase 2 clinical trial of ... (AAPM) 20th Annual Clinical Meeting in Phoenix, Arizona. ... stage investigational product candidate in clinical development for the ...
... of Toronto have developed a new "lab-on-a-chip" technique that analyses ... at risk of breast cancer much more quickly than ever ... metabolites the products of metabolized estrogen in breast ... patients compared to healthy women, and is therefore believed to ...
Cached Biology Technology:goBalto Introduces Web-based Solution to Manage Drug-development Collaborations 2Topline Results from Phase 2 Clinical Trial of Oral NKTR-118 Presented at 20th American Academy of Pain Management Annual Clinical Meeting (AAPM) in Phoenix 2Topline Results from Phase 2 Clinical Trial of Oral NKTR-118 Presented at 20th American Academy of Pain Management Annual Clinical Meeting (AAPM) in Phoenix 3Topline Results from Phase 2 Clinical Trial of Oral NKTR-118 Presented at 20th American Academy of Pain Management Annual Clinical Meeting (AAPM) in Phoenix 4New lab-on-a-chip technique developed at U of T 2